2102120120212 has 12 divisors (see below), whose sum is σ = 4204240240480. Its totient is φ = 900908622936.

The previous prime is 2102120120209. The next prime is 2102120120239. The reversal of 2102120120212 is 2120210212012.

It is a happy number.

2102120120212 is an admirable number.

It is a super-2 number, since 2×2102120120212² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 37537859262 + ... + 37537859317.

Almost surely, 2^{2102120120212} is an apocalyptic number.

It is an amenable number.

2102120120212 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2102120120212 is a wasteful number, since it uses less digits than its factorization.

2102120120212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 75075718590 (or 75075718588 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 2102120120212 its reverse (2120210212012), we get a palindrome (4222330332224).

The spelling of 2102120120212 in words is "two trillion, one hundred two billion, one hundred twenty million, one hundred twenty thousand, two hundred twelve".